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	<title>elasticsearch &#8211; moneyslow.com</title>
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		<title>max virtual memory areas vm.max_map_count [65530] likely too low, increase to at least [262144]</title>
		<link>https://moneyslow.com/max-virtual-memory-areas-vm-max_map_count-65530-likely-too-low-increase-to-at-least-262144.html</link>
		
		<dc:creator><![CDATA[moneyslow]]></dc:creator>
		<pubDate>Mon, 27 Nov 2017 22:41:49 +0000</pubDate>
				<category><![CDATA[newest]]></category>
		<category><![CDATA[docker]]></category>
		<category><![CDATA[elasticsearch]]></category>
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					<description><![CDATA[错误记录 max virtual memory areas vm.max_map_count [65530] likely too low, increase to at least [262144] max file descriptors [4096] for elasticsearch process likely too low, increase to at least [65536] 解决办法 先解决第一条错误 max virtual memory areas vm.max_map_count [65530] likely too low, increase to at least [262144] 原因分析： 操作系统的vm.max_map_count参数设置太小导致的 解决办法： 这里我们可以直接修改docker本身的参数，当然也可以直接修改宿主机本身的配置文件，需要注意的是在docker 容器中执行 sysctl -w vm.max_map_count=655360 会提示错误： [&#8230;]]]></description>
		
		
		
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		<title>elasticsearch 安全配置 访问限制 iptables限制访问</title>
		<link>https://moneyslow.com/elasticsearch-%e5%ae%89%e5%85%a8%e9%85%8d%e7%bd%ae-%e8%ae%bf%e9%97%ae%e9%99%90%e5%88%b6-iptables%e9%99%90%e5%88%b6%e8%ae%bf%e9%97%ae.html</link>
		
		<dc:creator><![CDATA[moneyslow]]></dc:creator>
		<pubDate>Wed, 05 Jul 2017 09:36:14 +0000</pubDate>
				<category><![CDATA[newest]]></category>
		<category><![CDATA[elasticsearch]]></category>
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					<description><![CDATA[启动iptables 将下面一条加到前面 iptables -A INPUT -p tcp --dport 9200 ! -s 127.0.0.1 -j DROP 同时改配置，将如下监听改为需要的监听地址 network.host:127.0.0.1]]></description>
		
		
		
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